WebHOOC-CH 2 -CH 2 -CH (NH 2 )-COOH Axit glutamic; Axit α-aminoglutaric; Axit 2-aminopentandioic CH 2 (OH)- [CH (OH)] 4 -COOH Axit gluconic; Axit 2,3,4,5,6-hexahidroxihexanoic... WebLos ácidos carboxílicos constituyen un grupo de compuestos, caracterizados porque poseen un grupo funcional llamado grupo carboxilo o grupo carboxi (–COOH). En el grupo …
List of carboxylic acids - Wikipedia
Web17 rijen · Ácido dicarboxílico En química orgánica se denomina ácido dicarboxílico a aquel compuesto de estructura carbonada que está sustituido por dos grupos funcionales tipo … Oxalic acid is an organic acid with the systematic name ethanedioic acid and formula HO2C−CO2H. It is the simplest dicarboxylic acid. It is a white crystalline solid that forms a colorless solution in water. Its name comes from the fact that early investigators isolated oxalic acid from flowering plants of … Meer weergeven The preparation of salts of oxalic acid (crab acid) from plants had been known, at least since 1745, when the Dutch botanist and physician Herman Boerhaave isolated a salt from wood sorrel. By 1773, François Pierre … Meer weergeven Acid-base properties Oxalic acid's pKa values vary in the literature from 1.25–1.46 and 3.81–4.40. The 100th … Meer weergeven The conjugate base of oxalic acid is the hydrogenoxalate anion, and its conjugate base (oxalate) is a competitive inhibitor of the lactate dehydrogenase (LDH) enzyme. LDH … Meer weergeven Oxalic acid is mainly manufactured by the oxidation of carbohydrates or glucose using nitric acid or air in the presence of vanadium pentoxide. A variety of precursors … Meer weergeven Anhydrous Anhydrous oxalic acid exists as two polymorphs; in one the hydrogen-bonding results in a chain-like structure, whereas the hydrogen bonding pattern in the other form defines a sheet-like structure. Because the … Meer weergeven Biosynthesis At least two pathways exist for the enzyme-mediated formation of oxalate. In one pathway, oxaloacetate, a component of the Meer weergeven Oxalic acid's main applications include cleaning or bleaching, especially for the removal of rust (iron complexing agent). Its utility in rust removal agents is due to its forming a stable, water-soluble salt with ferric iron, ferrioxalate ion. Oxalic acid is an ingredient in … Meer weergeven old fashioned laundry detergent names
有机化学结构与命名 - 百度文库
Web10 apr. 2024 · Acid-PEG2000-Norbornene，HOOC-PEG2000-NR，PEG接头提供了更好的稳定性. 取用：现配现用，将包装从冰箱中取出，置于干燥器中缓慢升至室温，打开瓶 … Web16 rijen · Die homologe Reihe der unverzweigten gesättigten Dicarbonsäuren, die nach IUPAC auch als Alkandisäuren bezeichnet werden, beginnt mit der Oxalsäure … Web5 apr. 2024 · HS-PEG-COOH 外观：固体或液体，取决于分子量大小。 PEG可选分子量: 1000,2000,3400，5000，10000 溶解度: 溶于DMSO,DMF,DCM，溶于水。 纯度 gt;95% 保存：-20℃，长期保存，避光，干燥 产品描述：巯基PEG羧基（HOOC-PEG-SH）可以用来修饰蛋白质、多肽以及其他材料或者小分子。 巯基（-SH）和马来酰亚胺和在PH6.5-7.5很 … old fashioned leg braces